Answer:
Humans require three macronutrients: carbohydrates (sugar), lipids (fats), and proteins. Chlorine isn't a macronutrient, so it's not one of these options. Nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), sulphur (S), magnesium (Mg), and sodium (Na) are some of the other macronutrients (Na).
Answer:
Frogs must keep their skin moist. Otherwise, oxygen can't pass easily through it and the frog suffocates.
False
you wount die right away after being diagonsed